Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As August transitions into September, Dondas sees a gentle drop in the average high-temperature, transitioning from a moderately hot 28.3°C (82.9°F) to a still warm 24.9°C (76.8°F). Dondas's nighttime temperature during September is consistently averaged at a moderate 13.6°C (56.5°F).Humidity
In Dondas, the average relative humidity in September is 67%.Rainfall
September is the month with the least rainfall. Rain falls for 10 days and accumulates 20mm (0.79") of precipitation.Snowfall
April through November are months without snowfall in Dondas.Daylight
In September, the average length of the day is 12h and 31min.On the first day of September in Dondas, sunrise is at 07:20 and sunset at 20:32. On the last day of the month, sunrise is at 07:53 and sunset at 19:39 CEST.
Sunshine
The average sunshine in September in Dondas, France, is 8.7h.UV index
In Dondas, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What are September temperatures in Dondas?
What is the average humidity in September in Dondas?
What is the driest month in Dondas?
How much does it rain in Dondas in September?
When it does not snow in Dondas?
What is the average length of the day in September in Dondas?
What time are sunrise and sunset in September in Dondas?
How many hours of sunshine does Dondas have in September?
How high is the UV index in September in Dondas?
Average temperature in September
Dondas, France
- Average high temperature in September: 24.9°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in September: 13.6°C
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in September
Dondas, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.6mbar).
Average wind speed in September
Dondas, France
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is March (11.9km/h).
The calmest months (with the lowest average wind speed) are August and September (8.5km/h).
Average humidity in September
Dondas, France
- Average humidity in September: 67%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Dondas, France
- Average rainfall in September: 20mm
The wettest months (with the highest rainfall) are May and November (59mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in September
Dondas, France
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is September (10 days).
Average snowfall in September
Dondas, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Dondas, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Dondas, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Dondas, France
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
Dondas, France
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
Dondas, France
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Dondas, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
Dondas, France
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